United States. A USN Morse Code Signal Shutter Assembly Newly Listed 00 mm in diameter and

00 mm in diameter and weighing 55

1943 and signed in pencil by Lieutenant Colonel of Flak Regiment 101

bearing a lion’s head quill on the one side and a quill consisting of a spade with a pickaxe superimposed on the other

stitched to a black cotton backer

United States. A USN Morse Code Signal Shutter Assembly Newly Listed 00 mm in diameter andAn iconic piece of naval warfare, a complete and functional signal shutter with a 12 inch heat treated glass lens, product marked S95313 and with complete government inspection marks "OK INPSECTION DEPT." Complete with all screw posts and pins, no cracks to glass, may require tightening of screws, with very minor and sporadic surface rust, very fine.